awtk/3rd/libunibreak/unibreakdef.h
2018-10-13 18:40:00 +08:00

77 lines
2.1 KiB
C

/* vim: set expandtab tabstop=4 softtabstop=4 shiftwidth=4: */
/*
* Break processing in a Unicode sequence. Designed to be used in a
* generic text renderer.
*
* Copyright (C) 2015-2018 Wu Yongwei <wuyongwei at gmail dot com>
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the author be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute
* it freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must
* not claim that you wrote the original software. If you use this
* software in a product, an acknowledgement in the product
* documentation would be appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must
* not be misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source
* distribution.
*/
/**
* @file unibreakdef.h
*
* Header file for private definitions in the libunibreak library.
*
* @author Wu Yongwei
*/
#ifndef UNIBREAKDEF_H
#define UNIBREAKDEF_H
#if defined(_MSC_VER) && _MSC_VER < 1800
typedef int bool;
#define false 0
#define true 1
#else
#include <stdbool.h>
#endif
#include <stddef.h>
#include "unibreakbase.h"
#define ARRAY_LEN(x) (sizeof(x) / sizeof(x[0]))
#ifdef __cplusplus
extern "C" {
#endif
/**
* Constant value to mark the end of string. It is not a valid Unicode
* character.
*/
#define EOS 0xFFFFFFFF
/**
* Abstract function interface for #ub_get_next_char_utf8,
* #ub_get_next_char_utf16, and #ub_get_next_char_utf32.
*/
typedef utf32_t (*get_next_char_t)(const void *, size_t, size_t *);
/* Function Prototype */
utf32_t ub_get_next_char_utf8(const utf8_t *s, size_t len, size_t *ip);
utf32_t ub_get_next_char_utf16(const utf16_t *s, size_t len, size_t *ip);
utf32_t ub_get_next_char_utf32(const utf32_t *s, size_t len, size_t *ip);
#ifdef __cplusplus
}
#endif
#endif /* UNIBREAKDEF_H */